func NewWithConfig(cfg Config) *MemDB {
m := &MemDB{
snapshots: skiplist.New(),
gcsnapshots: skiplist.New(),
currSn: 1,
Config: cfg,
gcchan: make(chan *skiplist.Node, gcchanBufSize),
id: int(atomic.AddInt64(&dbInstancesCount, 1)),
}
m.freechan = make(chan *skiplist.Node, gcchanBufSize)
m.store = skiplist.NewWithConfig(m.newStoreConfig())
m.initSizeFuns()
buf := dbInstances.MakeBuf()
defer dbInstances.FreeBuf(buf)
dbInstances.Insert(unsafe.Pointer(m), CompareMemDB, buf, &dbInstances.Stats)
return m
}
func init() {
dbInstances = skiplist.New()
}